Elements
What year was the Periodic Table of Elements discovered
1869
What is a Chemical Change?
It is when a substance combines with an another substance to create a whole new substance
What is Physical Change?
It is when it changes the properties of a substance
What is matter?
Anything that has mass and takes up space
What is Molar Mass?
The mass in grams of one mole of atoms or molecules
What elements have the lowest atomic mass?
Hydrogen
How can you identify a Chemical Change
When there is a formation of bubbles and change in temperature
How can you identify a Physical Change
When the color changes and it is reversible
How do you determine matter
Density=mass/volume
What is a mole?
It is a counting number that it called Avogadro.
What side of the Periodic Table are Alkali Metals
Left side
What is a difference between a chemical and physical change?
A chemical change is when the substance change while a physical change is when you change the properties
True or False/Is wood chemical or physical changes
Physical change
What are the states of matter
Liquid, Gas, and Solid
How large is a mole?
1 mole of hockey pucks would be equal the mass of the moon
How much protons and neutrons does hydrogen have
It has 1 protons and 0 neutrons
True or False/Is burning wood chemical or physical change
A chemical change
True or False/is color changing physical or chemical change
A physical change
How is matter formed?
It is formed by the atoms
Why do we need the mole?
It is used as a mass comparison for any element in the periodic table
What side of the Periodic Table is Noble gases
Why is chemical change important?
It creates chemical reactions
Why is physical change important?
A physical change is what our personality is
Why is matter important?
It is what creates humans and animals
What is the Atomic mass?
Atomic mass is the mass of any element in atomic mass units